Best-Selling Optical Brightener OB-1 - Optical brightener OB Fine – Subang
Best-Selling Optical Brightener OB-1 - Optical brightener OB Fine – Subang Detail:
Structural formula
Product Name: Optical brightener OB Fine
Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
C.I.:184
CAS NO.:7128-64-5
Specifications
Molecular formula: C26H26N2O2S
molecular weight: 430
Appearance: light yellow powder
Tone: blue
Melting point: 196-203℃
Purity: ≥99.0%
Ash: ≤0.1%
Particle size: Pass 300 mesh
Maximum absorption wavelength: 375nm(Ethanol)
Maximum emission wavelength: 435nm(Ethanol)
Properties
Optical brightener OB Fine is a kind of benzoxazole compound, it is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white glaze.
Application
Optical brightener OB Fine is one of the best brighteners widely used in plastics and fibers and has the same whitening effect as Tinopal OB. It can be used in thermoplastics, polyvinyl chloride, polystyrene, polyethylene, polypropylene, ABS, acetate, and it can also be used in varnishes, paints, white enamels, coatings, and inks.It also has a very good whitening effect on synthetic fibers.It has the advantages of heat resistance, weather resistance, non-yellowing, and good color tone.It can be added to the monomer or prepolymerized material before or during polymerization, condensation, addition polymerization, or added in the form of powder or pellets (i.e masterbatch) before or during the formation of plastics and synthetic fibers.
Reference usage:
1 PVC:
For soft or rigid PVC:
Whitening: 0.01-0.05% (10-50g/100KG material)
Transparent: 0.0001-0.001%(0.1g-1g/100kg material)
2 PS:
Whitening: 0.001% (1g/100kg material)
Transparent: 0.0001-0.001 (0.1-1g/100kg material)
3 ABS:
Adding 0.01-0.05% to ABS can effectively eliminate the original yellow color and achieve a good whitening effect.
4 Polyolefin:
Good whitening effect in polyethylene and polypropylene:
Transparent: 0.0005-0.001%(0.5-1g/100kg material)
Whitening: 0.005-0.05%(5-50g/100kg material)
Package
25kg fiber drum,with PE bag inside or as customer’s request.
Product detail pictures:
Related Product Guide:
We believe that prolonged expression partnership is really a result of top of the range, value added support, rich encounter and personal contact for Best-Selling Optical Brightener OB-1 - Optical brightener OB Fine – Subang , The product will supply to all over the world, such as: Brisbane, Malta, Swansea, Please really feel free to send us your requirements and we'll respond to you asap. We have got a professional engineering group to serve for your just about every detailed needs. Cost-free samples could be sent for you personally to understand much more information. In an effort to meet your requires, please really feel free to make contact with us. You may send us emails and contact us directly. Moreover, we welcome visits to our factory from around the globe for much better recognizing of our organization. nd items. In our trade with merchants of numerous countries, we usually adhere for the principle of equality and mutual benefit. It is actually our hope to market, by joint efforts, each trade and friendship to our mutual advantage. We look forward to getting your inquiries.
By Agnes from Niger - 2017.11.20 15:58
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
By Ryan from Lebanon - 2018.09.21 11:44